Individual provider Active NPI

Susan J Gleazer, MD

  • Pediatrics Physician
  • Columbia, MD
National Provider Identifier
1033175948
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
D0033076 Issued in MD
Practice address
5500 Knoll North Drive
Ste 110
Columbia, MD 21045
Phone
(410) 964-6300
Fax
(410) 964-6227
NPI assigned
Apr 21, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X D0033076 MD Primary

Addresses

Primary practice location

5500 Knoll North Drive
Ste 110
Columbia, MD 21045

Mailing address

5500 Knoll North Drive
Ste 110
Columbia, MD 21045
Phone (410) 964-6300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D0033076MDMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Health Hospital Inc Past Accepting new patients
Advanced Radiology P a Past Accepting new patients
University of Maryland Pediatric Associates, PA Pediatrics Past Accepting new patients

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1145577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1033175948",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5500 KNOLL NORTH DRIVE",
            "address_2": "STE 110",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "21045",
            "telephone_number": "410-964-6300",
            "fax_number": "410-964-6227"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5500 KNOLL NORTH DRIVE",
            "address_2": "STE 110",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "21045",
            "telephone_number": "410-964-6300",
            "fax_number": "410-964-6227"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GLEAZER",
        "first_name": "SUSAN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-21",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MD",
            "license": "D0033076",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbia, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.